Cabrinha Kites - failure testing to the extreme
Cabrinha Kites are one of the most popular brands around.
This video shows the kind of effort the Pete Cabrinha and his team put into make a strong kite.
Repeatedly smashing the kite into the beach in an effort to smash it. Not recommended that you try and repeat, although it's something that every newbie will do with the kite at some point, whether on land or water. Often kites explode when crashing on land due to sharp objects puncturing the bladder.
Check the video:

